save project

diy2.py

+i=3
 username = "python"
 userpassword = "123456"
 while True:
+    if i>0:
+
         name = input("请输入用户名:")
         password = input("请输入密码:")
+        i-=1
+
         if name == username and password == userpassword:
             print("登录成功!")
             break
@@ -11,6 +16,9 @@ while True:
             continue
         if password!=userpassword:
             print("密码输入错误，请冲洗输入")
+    else:
+        print("账号锁定")
+        exit()
 
     
 print("欢迎来到贝尔编程!")
\ No newline at end of file